package com.atguigu.algorithm;
class Test2{
    public static void hello(){
        System.out.println("hello");
    }
    public static void Test2(){
        //
    }
}
public abstract class Test_1 {
    int ne=0;

    public static void main(String[] args) {
      Test2 test2=null;
      test2.hello();
    }

    public static int amagi(){
        return 0;
    }

    public abstract int hehe();
}
